body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow: hidden;
}

#cesiumContainer {
    width: 100vw;
    height: 100vh;
    position: relative;
}

#loadingOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: opacity 0.3s ease;
}

#loadingOverlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-content {
    text-align: center;
    color: white;
    background-color: rgba(0, 0, 0, 0.7);
    padding: 2rem;
    border-radius: 10px;
    min-width: 300px;
}

.progress-bar {
    width: 100%;
    height: 20px;
    background-color: #333;
    border-radius: 10px;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #4CAF50, #45a049);
    width: 0%;
    transition: width 0.3s ease;
}

#controls {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: rgba(0, 0, 0, 0.7);
    padding: 1rem;
    border-radius: 10px;
    color: white;
    z-index: 100;
    min-width: 200px;
}

#controls button {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    margin: 0.25rem 0;
    border-radius: 5px;
    cursor: pointer;
    width: 100%;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

#controls button:hover {
    background-color: #45a049;
}

#controls button:active {
    background-color: #3d8b40;
}

.control-group {
    margin: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.control-group label {
    font-size: 12px;
    min-width: 60px;
}

.control-group input[type="range"] {
    flex: 1;
    height: 5px;
    border-radius: 5px;
    background: #ddd;
    outline: none;
    -webkit-appearance: none;
}

.control-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: #4CAF50;
    cursor: pointer;
}

.control-group input[type="range"]::-moz-range-thumb {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: #4CAF50;
    cursor: pointer;
    border: none;
}

.control-group input[type="color"] {
    width: 30px;
    height: 30px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

#pointSizeValue {
    font-size: 12px;
    min-width: 20px;
    text-align: center;
}

/* Cesium widget样式调整 */
.cesium-viewer-bottom {
    display: none;
}

.cesium-viewer-toolbar {
    display: none;
} 